CA2877458A1 - Analyse spectroscopique - Google Patents

Analyse spectroscopique Download PDF

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Publication number
CA2877458A1
CA2877458A1 CA2877458A CA2877458A CA2877458A1 CA 2877458 A1 CA2877458 A1 CA 2877458A1 CA 2877458 A CA2877458 A CA 2877458A CA 2877458 A CA2877458 A CA 2877458A CA 2877458 A1 CA2877458 A1 CA 2877458A1
Authority
CA
Canada
Prior art keywords
sample
electromagnetic radiation
wavelength
training
intensity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA2877458A
Other languages
English (en)
Inventor
Raymond Andrew Simpkin
Donal Paul KROUSE
Bryan James SMITH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Klein Medical Ltd
Original Assignee
Klein Medical Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Klein Medical Ltd filed Critical Klein Medical Ltd
Publication of CA2877458A1 publication Critical patent/CA2877458A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • G01J3/108—Arrangements of light sources specially adapted for spectrometry or colorimetry for measurement in the infrared range
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0297—Constructional arrangements for removing other types of optical noise or for performing calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0691—Modulated (not pulsed supply)

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

La présente invention porte sur un procédé et un analyseur pour identifier ou vérifier ou autrement caractériser un échantillon comprenant : utiliser ou avoir une source de rayonnement électromagnétique pour émettre un rayonnement électromagnétique dans au moins un faisceau au niveau d'un échantillon, le rayonnement électromagnétique comprenant au moins deux longueurs d'onde différentes, utiliser ou avoir un détecteur d'échantillon qui détecte un rayonnement électromagnétique affecté résultant du rayonnement électromagnétique émis affecté par l'échantillon et fournit une sortie représentant le rayonnement affecté détecté, et utiliser ou avoir un processeur pour déterminer des coefficients d'échantillon à partir de la sortie, et identifier ou vérifier ou autrement caractériser l'échantillon à l'aide des coefficients d'échantillon et des coefficients d'apprentissage déterminés à partir d'échantillons d'apprentissage, les coefficients réduisant une sensibilité vis-à-vis d'une variation d'élément de retenue d'échantillon et/ou étant indépendants de la concentration.
CA2877458A 2012-06-19 2013-06-19 Analyse spectroscopique Abandoned CA2877458A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261661573P 2012-06-19 2012-06-19
US61/661,573 2012-06-19
PCT/NZ2013/000107 WO2013191566A1 (fr) 2012-06-19 2013-06-19 Analyse spectroscopique

Publications (1)

Publication Number Publication Date
CA2877458A1 true CA2877458A1 (fr) 2013-12-27

Family

ID=49769066

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2877458A Abandoned CA2877458A1 (fr) 2012-06-19 2013-06-19 Analyse spectroscopique

Country Status (11)

Country Link
US (4) US9354165B2 (fr)
EP (1) EP2861968A4 (fr)
JP (1) JP6269983B2 (fr)
KR (1) KR20150021578A (fr)
CN (1) CN104769418B (fr)
AU (2) AU2013277855B2 (fr)
CA (1) CA2877458A1 (fr)
HK (1) HK1209479A1 (fr)
NZ (1) NZ703875A (fr)
WO (1) WO2013191566A1 (fr)
ZA (1) ZA201500341B (fr)

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Also Published As

Publication number Publication date
US10352768B2 (en) 2019-07-16
US20150144791A1 (en) 2015-05-28
CN104769418A (zh) 2015-07-08
AU2017279651A1 (en) 2018-01-18
JP2015520398A (ja) 2015-07-16
WO2013191566A1 (fr) 2013-12-27
EP2861968A1 (fr) 2015-04-22
KR20150021578A (ko) 2015-03-02
JP6269983B2 (ja) 2018-01-31
US20180017442A1 (en) 2018-01-18
US9354165B2 (en) 2016-05-31
US20160265972A1 (en) 2016-09-15
EP2861968A4 (fr) 2016-03-09
HK1209479A1 (en) 2016-04-01
NZ703875A (en) 2018-01-26
US10066993B2 (en) 2018-09-04
ZA201500341B (en) 2017-06-28
AU2013277855A1 (en) 2015-02-05
US20180313691A1 (en) 2018-11-01
AU2013277855B2 (en) 2018-01-18
CN104769418B (zh) 2018-04-03

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20190619

FZDE Discontinued

Effective date: 20190619